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had undergone surgery vs i have undergone surgery

Both options are grammatically correct, but the first is a sentence fragment. 'Had undergone surgery' is in the past perfect tense, which is used to describe an action that was completed before a certain point in the past. 'I have undergone surgery' is in the present perfect tense and is used to indicate that the action of undergoing surgery was completed at some point in the past and has relevance to the present.
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Explained by Vince
Editor at TextRanch

Last updated: July 22, 2024 • 46003 views

This phrase is correct and commonly used in English to describe an action that was completed before a certain point in the past.

"had undergone surgery"

This phrase is used in the past perfect tense to indicate that the surgery was completed before a specific time in the past.

Some examples from our editors:

  • She had undergone surgery before she started her new job.
  • By the time he arrived, the patient had undergone surgery.
  • Feb 2, 2022 ... Clinical outcomes of patients with pT4a and pT4b oral cavity squamous cell carcinoma who had undergone surgery: Results from a Taiwanese ...
  • Jan 31, 2017 ... In this report, we describe the case of a patient who had undergone surgery for HD as an infant, and was later diagnosed with CD combined with ...
  • On analyzing the 5-year survival differences between patients who had undergone surgery versus other therapeutic options as their initial treatment, a ...
  • METHODS: Samples from 317 (184 males, 133 females, mean age 69±3.4 years) consecutive patients who had undergone surgery for gastric non-cardia adenocarcinoma ...
  • Dec 1, 2013 ... In addition, 10 percent had undergone surgery on the other knee—6.4 percent of these procedures were to reconstruct a ruptured ACL. Patients ...
  • Enlargement of the left atrium is associated with increased infiltration of immune cells in patients with atrial fibrillation who had undergone surgery.
  • None of these ten patients had been treated by a dental professional or had undergone surgery. The oral surgeon had been practicing in the city (population ...
  • Dec 21, 2023 ... In one analysis of more than 100 people who had undergone surgery to have their tumors removed, the researchers showed that using the gene ...
  • Feb 1, 2024 ... Early last month, Pentagon officials revealed Austin had undergone surgery at Walter Reed National Military Medical Center in Bethesda, Maryland ...
  • Aug 1, 2020 ... Of the persons diagnosed with gender dysphoria presented in the article, 1,018 had undergone surgery, while 1,661 had not. There were 22 ...

Some alternatives from our editors:

  • had surgery
  • had an operation
  • had a surgical procedure
  • had a medical intervention
  • had a surgical operation

This phrase is correct and commonly used in English to indicate that the action of undergoing surgery has been completed at some point in the past and has relevance to the present.

"i have undergone surgery"

This phrase is used in the present perfect tense to indicate that the surgery has been completed and has some connection to the present moment.

Examples:

  • I have undergone surgery, so I need to take it easy for a while.
  • She has undergone surgery and is now on the road to recovery.
  • Mar 13, 2024 ... ... I have undergone surgery last week and now taking a little break before starting the rehab and recovery process. Having another surgery wasn ...
  • I have undergone surgery for a double mastectomy, fertility treatments, 16 rounds of chemotherapy, lost my precious locks, completed breast reconstruction ...
  • Jul 27, 2016 ... Hello Irene,I was diagnosed of stage 1 colon cancer. I have undergone surgery, do I need to do chemotherapy again? Reply. Bobby says:.
  • So far I have undergone surgery to feminize my face and vocal cords. I have undergone hormone replacement therapy and had an orchiectomy (I survived ...
  • Mar 15, 2019 ... ... I have undergone surgery, but I can tell you that I've competed against cisgendered women in several sparring matches in martial arts where ...
  • Jul 10, 2016 ... I was diagnosed with Stage III breast cancer about 1 1/2 years ago. I have undergone surgery to remove my left breast and lymph nodes on my ...
  • I have undergone surgery to remove as much of the tissue as possible to try and increase my chances of a natural pregnancy. Unfortunately, during the ...
  • ... I have undergone surgery.. but scared of bile leaking.. I have on and off stomach mild pain.. it starts after eating food .. it starts frm upper abdomen and ...
  • Aug 1, 2022 ... I have undergone surgery to remove My bladder and My prostate. Now I have an ostomy bag for the rest of my life. My FMLA has run out at work ...
  • May 7, 2020 ... I have undergone surgery for perianal abscess and that abscess was send for biopsy. Please suggest based on report. 1696 Views v. Answers (6).

Alternatives:

  • have had surgery
  • have had an operation
  • have had a surgical procedure
  • have had a medical intervention
  • have had a surgical operation

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